Pop riveter



FIG. 1 is a perspective view of a pop riveter, showing my new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left view thereof;

FIG. 5 is a right view thereof;

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom view thereof.

The broken lines shown in the FIG. 1, 2, 3, 5, and 7 views are for illustrative purposes only and form no part of the claimed design. 

The ornamental design for a pop riveter, as shown and described. 